History and Discovery of the Ununpentium Element
The element was discovered in 2003 by scientists working at the Joint Institute for Nuclear Research in Dubna, Russia together with scientists from the U.S. Department of Energy's Lawrence Livermore National Laboratory. The scientists produced Ununpentium using atoms of americium-243 which were bombarded with ions of calcium-48 using a device called a cyclotron which is a research instrument with which several new elements have been first produced. This produced one atom of ununpentium. Element 115, Ununpentium - will probably be a basic metal. Nearly 75% of all the elements in the Periodic Table are classified as metals which are detailed in the List of Metals.
Ununpentium currently has no uses outside of basic scientific research.
The Properties of the Ununpentium Element
Atomic Number: 115
Atomic Weight: 289
Element Classification: Metal
Ununpentium and the Periodic Table
Period Number: 7
Group Number: 15
% in Universe N/A
% in Sun None
% in Meteorites None
% in Earth's Crust None
% in Oceans None
% in Humans None
Ununpentium - IUPAC and the Modern Standardised Periodic Table
The Standardised Periodic Table in use today was agreed by the International Union of Pure Applied Chemistry, IUPAC, in 1985 and now recognises more periods and elements than Dimitri Mendeleev knew in his day in his day but still all fitting into his concept of the "Periodic Table" in which Ununpentium is just one element that can be found.
Learn about what is Ununpentium with these fast facts...
These articles contain facts and information relating to Ununpentium and each of the other elements including the Periodic Symbol, group, classification, properties and atomic number which is often referred to as the Periodic Table Number. Test your knowledge of chemistry and the Periodic Table by completing the Element Symbols and Atomic Numbers on our Blank Periodic Table. Chemistry students will also find a helpful section on Chemical Formulas.